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Cisco 1921 adsl and load balancing

HI,

i am trying to configeure a cisco 1921 router with adsl and load balancing. i am not to sure if the config i have done will work. at the moment the lines are both fault.

here is the config that i have done so far.

AIDC01R#sho run

Building configuration...

Current configuration : 3431 bytes

!

! Last configuration change at 14:57:05 UTC Tue Oct 1 2013 by mars

version 15.2

service timestamps debug datetime msec

service timestamps log datetime msec

service password-encryption

!

hostname AIDC01R

!

boot-start-marker

boot-end-marker

!

!

enable secret 4 iUu5KFbyns7bMwYiStzvHwru7Xj7ZwnUe3UawdnCQR2

!

no aaa new-model

!

ip cef

ip routing

!

!

!

!

!

!

!

!

no ip domain lookup

no ipv6 cef

!

multilink bundle-name authenticated

!

!

!

license udi pid CISCO1921/K9 sn FCZ173692E1

!

!

username mars password 7 00291214174F0E050770

!

redundancy

!

!

!

!

!

controller VDSL 0/0/0

!

controller VDSL 0/1/0

!

!

!

!

!

!

!

!

!

!

interface Embedded-Service-Engine0/0

no ip address

shutdown

!

interface GigabitEthernet0/0

no ip address

duplex auto

speed auto

!

interface GigabitEthernet0/0.10

description Vlan 10 - Management

encapsulation dot1Q 10

ip address 192.168.121.1 255.255.255.192

ip nat inside

!

interface GigabitEthernet0/0.20

description Vlan 20 - Servers

encapsulation dot1Q 20

ip address 192.168.121.65 255.255.255.192

ip nat inside

!

interface GigabitEthernet0/0.30

description Vlan 30 - Admin

encapsulation dot1Q 30

ip address 192.168.121.129 255.255.255.192

ip helper-address 192.168.121.66

ip nat inside

!

interface GigabitEthernet0/0.40

description Vlan 40 - Guests

encapsulation dot1Q 40

ip address 192.168.121.193 255.255.255.192

ip helper-address 192.168.121.66

ip nat inside

!

interface GigabitEthernet0/1

no ip address

shutdown

duplex auto

speed auto

!

interface ATM0/0/0

description connection to telkom

no ip address

no atm ilmi-keepalive

no shut

!

interface ATM0/0/0.35 point-to-point

description telkom adsl

pvc 8/35

  pppoe-client dial-pool-number 1

!

!

interface Ethernet0/0/0

no ip address

shutdown

!

interface ATM0/1/0

description connection to telkom

no ip address

no shutdown

no atm ilmi-keepalive

!

interface ATM0/1/0.35 point-to-point

description telkom adsl

pvc 8/35

  pppoe-client dial-pool-number 1

!

!

interface Ethernet0/1/0

no ip address

shutdown

!

interface Dialer0

ip address negotiated

no ip redirects

no ip proxy-arp

ip mtu 1492

ip nat outside

ip virtual-reassembly in

encapsulation ppp

ip tcp adjust-mss 1452

dialer pool 1

dialer-group 1

ppp authentication chap pap callin

ppp chap hostname *****************************

ppp chap password 7 *************************

ppp pap sent-username *********************** password 7 *************************

ppp ipcp dns request accept

ppp ipcp route default

ppp ipcp address accept

no cdp enable

description To Telkom ADSL 1

ip address negotiated

no ip redirects

no ip proxy-arp

ip mtu 1492

ip nat outside

ip virtual-reassembly in

encapsulation ppp

ip tcp adjust-mss 1452

dialer pool 1

dialer-group 1

ppp authentication chap pap callin

ppp chap hostname *****************************

ppp chap password 7 *************************

ppp pap sent-username *********************** password 7 *************************

ppp ipcp dns request accept

ppp ipcp route default

ppp ipcp address accept

no cdp enable

!

interface Dialer1

description To Telkom ADSL 2

ip address negotiated

no ip redirects

no ip proxy-arp

ip mtu 1492

ip nat outside

ip virtual-reassembly in

encapsulation ppp

ip tcp adjust-mss 1452

dialer pool 1

dialer-group 1

ppp authentication chap pap callin

ppp chap hostname vnaidooaidc@telkomsa.net

ppp chap password 7 097C5A011E111A5C5E

ppp pap sent-username vnaidooaidc@telkomsa.net password 7 081158460E0D085947

ppp ipcp dns request accept

ppp ipcp route default

ppp ipcp address accept

no cdp enable

!

ip forward-protocol nd

!

no ip http server

no ip http secure-server

!

ip route 0.0.0.0 0.0.0.0 Dialer0

ip route 0.0.0.0 0.0.0.0 Dialer1

!

ip access-list standard NAT

permit 192.168.121.0 0.0.0.255

!

ip nat inside source list NAT interface dialer0 overload

ip nat inside source list NAT interface dialer1 overload

!

control-plane

!

!

!

line con 0

login local

line aux 0

line 2

no activation-character

no exec

transport preferred none

transport output lat pad telnet rlogin lapb-ta mop udptn v120 ssh

stopbits 1

line vty 0 4

login local

transport input all

!

scheduler allocate 20000 1000

!

end

can any body please help

1 Reply 1

cadet alain
VIP Alumni
VIP Alumni

Hi,

if you want to do NAT overload over 2 WAN links your config should look like this:

ip access-list standard NAT

permit 192.168.121.0 0.0.0.255

route-map DIAL0

match ip add NAT

match interface dialer0

route-map DIAL1

match ip add NAT

match interface dialer1

no ip nat inside source list NAT interface dialer0 overload

no ip nat inside source list NAT interface dialer1 overload

ip nat inside source route-map DIAL0 interface dialer0

ip nat inside source route-map DIAL1 interface dialer1

Also provide output from following:

-sh ip int br | exc una

-sh ip route static

Regards

Alain

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